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Maniphest T143537

Wildcard queries return poorly ranked results with bm25 & query independant factors applied as a weighted sum
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Description

Identified by Trey on en-wp-bm25-relforge.wmflabs.org, results are significantly worse.
Mainly because results are ranked by query independent factors rather than title vs content match.

Details

SubjectRepoBranchLines +/-
Use top_terms_blended_freqs with FullTextSimpleMatchQueryBuildermediawiki/extensions/CirrusSearchmaster+23 -1
Customize query in gerrit

Event Timeline

dcausse created this task.Aug 22 2016, 8:22 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptAug 22 2016, 8:22 AM
dcausse added a project: CirrusSearch.Aug 22 2016, 8:22 AM
Restricted Application added projects: Discovery-ARCHIVED, Discovery-Search. · View Herald TranscriptAug 22 2016, 8:22 AM
dcausse removed a project: Discovery-Search.Aug 22 2016, 8:22 AM
gerritbot subscribed.Aug 22 2016, 8:23 AM

Change 305666 had a related patch set uploaded (by DCausse):
Use top_terms_blended_freqs with FullTextSimpleMatchQueryBuilder

https://gerrit.wikimedia.org/r/305666

gerritbot added a project: Patch-For-Review.Aug 22 2016, 8:23 AM
dcausse claimed this task.Aug 22 2016, 8:24 AM
dcausse moved this task from Incoming to Needs review on the Discovery-Search (Current work) board.
gerritbot added a comment.Aug 22 2016, 4:43 PM

Change 305666 merged by jenkins-bot:
Use top_terms_blended_freqs with FullTextSimpleMatchQueryBuilder

https://gerrit.wikimedia.org/r/305666

ReleaseTaggerBot added a project: MW-1.28-release (WMF-deploy-2016-08-23_(1.28.0-wmf.16)).Aug 22 2016, 5:00 PM
EBernhardson moved this task from Needs review to Needs Reporting on the Discovery-Search (Current work) board.Aug 23 2016, 4:36 PM
debt closed this task as Resolved.Sep 1 2016, 8:54 PM
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